[RFC v2 1/7] docs/qcow2: add zd_extension_size option to the zoned format feature

[Sam Li]

Signed-off-by: Sam Li <faithilikerun@gmail.com>
---
 docs/interop/qcow2.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/interop/qcow2.txt b/docs/interop/qcow2.txt
index 0f1938f056..458d05371a 100644
--- a/docs/interop/qcow2.txt
+++ b/docs/interop/qcow2.txt
@@ -428,6 +428,9 @@ The fields of the zoned extension are:
                    The offset of zoned metadata structure in the contained
                    image, in bytes.
 
+          44 - 51:  zd_extension_size
+                    The size of zone descriptor extension data in bytes.
+
 == Full disk encryption header pointer ==
 
 The full disk encryption header must be present if, and only if, the
-- 
2.40.1